coming up later this hour, we'll tag along with vice president joe biden and jill biden on their event. and next hour, we'll see what the president and first lady are up to, as well. we have already been out here for hours this morning. but there is much more to come. we have reporters bringing you all the angles of the inauguration. our shannon travis is at the national day of service event where vice president biden is expected shortly. good morning to you. you're inside that big tent where organizers are meeting with the volunteers who will take part in today's communitywide events. do you know what we can expect the vice president to be tackling this morning? >> reporter: we can expect for the vice president to basically be joining in with this national call to service that hundreds of thousands potentially of other americans across the country will be participating in, as well. this is a call to action for all 50 states. again, organizers tell us that they have no firm number on how many people will be participating in these local communities. but that they will be fanning out all